OpenTechnical

OT-2026-000075284

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, vented before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000075284) never changes.

Identity and time

Publication numberOT-2026-000075284 · never reused
Internal UUID01a0ae93-f200-7183-b258-39f94d54df22 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075284
StatusPUBLIC

Content hashes

Canonical text9bf5af9cd6e772fc0392ca9f6ac806504cbb4f7bb0e912dc281724cd4e37dbdf
Markdowncaed35fe08dac6181e5dc74826a8efb030a2a44ba33b84e5e7ece772ed3d48d0
PDF
Publication pagecac761b8986c0e6e96c14ae59be539428700b69aef505c2a23034347b835b11b
Manifest23e89a40b4c98a271edb37cc56d6bee56b1f1972c95fba305efcb4678930deca

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturehbTMWhwOxCJuyYhUfOkQTXJ3Qvh/R6ZNoVdSvfOdeiX+vPNeEMd3nEsEltGtLiV2IfdUAv0JNncjK8y8gDk7AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:20:41.457740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075284
observed cac761b8986c0e6e96c14ae59be53942...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:41.436749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075284/manifest.json
observed 23e89a40b4c98a271edb37cc56d6bee5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:41.416196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075284/publication.md
observed caed35fe08dac6181e5dc74826a8efb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:41.394062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075284/publication.txt
observed 9bf5af9cd6e772fc0392ca9f6ac80650...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:01.487095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075284
observed cac761b8986c0e6e96c14ae59be53942...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:01.468732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075284/manifest.json
observed 23e89a40b4c98a271edb37cc56d6bee5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:01.448275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075284/publication.md
observed caed35fe08dac6181e5dc74826a8efb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:01.305844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075284/publication.txt
observed 9bf5af9cd6e772fc0392ca9f6ac80650...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.